EFFECTIVE Ultrasonic mouse the latest version. Ultrasonic repeller is very suitable for babies and pregnant women. Ultrasonic repeller, don't worry about mosquitoes, cockroaches and other insects at home. TheUltrasonic and electromagnetic waves are able to effectively repel cockroaches, rodents, mice and other pests by affecting their auditory nervous system. SAFE & ECO-FRIENDLYNon-toxic, chemical-free, drop-free and lethal, the ultrasonic mouse is 100% safe and harmless. The ultrasonic repeller is a physical method to expel parasites, non-toxic and environmentally friendlyand completely safe for children and pets, mouse repellent, a pest control that combines advanced technology and humanity. EASY TO INSTALL AND USEThe mouse repellent has a button to turn on, then the blue LED indicator will flash to indicate it is working. Place the Ultrasonic Mouse Repellent 20-100cm off the ground. Mousetraps UsuallyDepending on the degree of infestation, you can already see success after 3-4 weeks, no more rat droppings, no more cockroaches, mosquitoes gone. Bitch don't mind. The cats continue their turn as before. WIDE COVERAGE AREAEach mouse repellent ultrasonic is effective for large areas up to 80-120 sqm. Please note that ultrasonic waves cannot penetrate walls. Although our ultrasonic mouse worksWell, we recommend placing our mouse repellent in each room when the infestation is heavy. Because ultrasonic waves cannot penetrate walls or solid objects. Automatic frequency conversion technology:Ultrasound Ultrasonic Repeller Ultrasonic + Sawtooth Wave + Bionic Wave - Triple effect, the frequency will automatically switch to the appropriate mode, pests such as mice cannot produce adaptive' and 'immune' for one frequency.